try out stylix

modules/services/default.nix

@@ -3,6 +3,7 @@
   imports = [
     ./acme.nix
     ./adguard.nix
+    ./dnsmasq.nix
     ./ente.nix
     ./kubernetes.nix
     ./kavita.nix

modules/services/dnsmasq.nix

@@ -0,0 +1,26 @@
+{ config, pkgs, lib, inputs, ... }:
+with lib;
+let cfg = config.custom.services.dnsmasq;
+in {
+  options.custom.services.dnsmasq = {
+    enable = mkEnableOption "Enables dnsmaq service";
+    server = mkOption { type = types.listOf types.string; };
+  };
+  config = mkIf cfg.enable {
+    #networking.resolvconf.enable = false;
+
+    services.dnsmasq = {
+      enable = true;
+      resolveLocalQueries = true;
+      settings.server = cfg.server;
+      extraConfig = ''
+        interface=lo
+        bind-interfaces
+        listen-address=127.0.0.1
+        cache-size=1000
+
+        no-negcache
+      '';
+    };
+  };
+}